the best science on the web about
light pollution

Losing the Dark
Image: iStockphoto.com/iceonion_th

Losing the Dark

The dark isn’t as dark as it used to be. The skyward glow of artificial lights makes it harder to enjoy a clear view of stars, planets, and galaxies in the night sky. Light pollution also harms living things, both plants and animals.

Discover the affects of light pollution and steps we all can take to reverse it.

International Dark Sky Association
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Star Power

Star Power

Uncover the effects of light pollution with the SciGirls as they search for constellations. More...

Video
SciGirls/PBS
What City Skies Would Look Like Without Light Pollution

What City Skies Would Look Like Without Light Pollution

What might our urban night skies look like without light pollution? Photographer Thierry Cohen provides dramatic suggestions with a series of manipulated cityscapes. More...

Images
The Atlantic
Can You See Orion?

Can You See Orion?

Watch the constellation Orion (See his belt?) and the rest of the stars fade in and out of sight as you adjust the level of artificial light. Then, check it out in the Southern Hemisphere! More...

Interactive
Windows to the Universe
Light Pollution

Light Pollution

Humans are diurnal, adapted to living in the Sun’s light. And now we’ve engineered the night to mimic the Sun. Discover the consequences of those actions. More...

Article
National Geographic
Light Pollution Simulator

Light Pollution Simulator

Place and adjust lights to explore how different kinds of lighting affect the night sky. Does the solution seem obvious to you? More...

Interactive
Campaign for Dark Skies
Science in Seconds

Science in Seconds

Discover what can go wrong when we turn night into day. It affects all kinds of creatures, from insects to sea turtles...to us! More...

Video
Science in Seconds
The Black Marble

The Black Marble

Set planet Earth spinning to get a composite satellite view of its artificial nighttime illumination. What kind of pattern does it show? More...

Video
NASA/NOAA
Turning It Down: Cities Combat Light Pollution By Going Dim

Turning It Down: Cities Combat Light Pollution By Going Dim

For decades, city lights have been bright and getting brighter. Now some cities like Paris are leading the way to reverse this harmful trend. More...

Article
NPR
Using a Digital Camera to Measure Skyglow

Using a Digital Camera to Measure Skyglow

Skyglow, aka light pollution, prevents us from getting a clear view of the night sky in urban areas. Discover how to measure skyglow, using a digital camera and computer. More...

Activity
Science Buddies

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